We definitely experienced some antibiotics that didn’t seem to help—when my son was first diagnosed this past August, his pediatrician put him on 14 days of Amoxicillin—this barely helped. Then an infectious disease specialist that our pediatrician sent us to tried Zithromax, then Doxycycline, and finally a combo of Keflex/Rifampicin. None of these really helped. Meanwhile I had gotten an appointment with a Pandas specialist who prescribed Biaxcin for a month and then he added in Augmentin for 2 weeks. This helped with bringing the strep down, but not the mycoplasma. After that he prescribed a month of Clindamycin with ten days of Rifampicin, too. It’s been 5 months—my son is back to school and while he still has some anxiety and OCD his titers have gone down and he’s about 65-70% back to himself. Life is far from perfect and I wonder if some of these behaviors/changes will now be permanent, but I’ll take what we’ve got now over him sobbing and howling in a corner of the living room and unable to attend school or really even talk to people. I’m so sorry your daughter and you/your family are going through this. I had no idea that Pandas even existed before last August and my heart goes out to you. You will find the right help for her and she will get better.
Oh, and my son didn’t throw up, but did complain of stomach aches daily—it might have been the 5 months of various antibiotics destroying everything or anxiety or both.
Anyway, hang in there.